Dual Training Error based Correction Approach (DTEC)

버전 1.0.4 (1.75 MB) 작성자: Costas Panagiotakis
We propose a method to improve the prediction performance of recommender systems via a Dual Training Error based Correction (DTEC).
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업데이트 날짜: 2021/6/10

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The proposed method is applied to the Synthetic Coordinate Recommendation system (SCoR) (Papadakis, Panagiotakis and Fragopoulou (2017)) and to other three state-of-the-art systems. Initially, a recommender system is used to provide recommendations for users and items. Subsequently, we introduce a second stage, after initial execution of the recommender system, that improves its predictions taking into account the error in the training set between users and items and their similarity. These corrections can be performed from both user and item viewpoints, and finally a dual system is proposed that efficiently combines both corrections. DTEC computes a model that makes zero the recommendation error in the training set, and then applies it on the test set to improve the rating predictions. The proposedDTEC approach is applicable to any model-based recommender system with positive training error, potentially increasing the accuracy of the recommendations.

인용 양식

Costas Panagiotakis (2024). Dual Training Error based Correction Approach (DTEC) (https://www.mathworks.com/matlabcentral/fileexchange/93500-dual-training-error-based-correction-approach-dtec), MATLAB Central File Exchange. 검색됨 .

C. Panagiotakis, H. Papadakis, A. Papagrigoriou and P. Fragopoulou, Improving Recommender Systems via a Dual Training Error based Correction Approach, Expert Systems with Applications, 2021.

H. Papadakis, C. Panagiotakis and P. Fragopoulou, SCoR: A Synthetic Coordinate based Recommender System, Expert Systems with Applications, vol. 79, pp.8-19, 2017.

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